CN108980221B - Coupler and flange and rotating shaft mounting structure thereof - Google Patents
Coupler and flange and rotating shaft mounting structure thereof Download PDFInfo
- Publication number
- CN108980221B CN108980221B CN201811060745.1A CN201811060745A CN108980221B CN 108980221 B CN108980221 B CN 108980221B CN 201811060745 A CN201811060745 A CN 201811060745A CN 108980221 B CN108980221 B CN 108980221B
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- CN
- China
- Prior art keywords
- shaped buckle
- countersunk head
- flange
- head fastening
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000006835 compression Effects 0.000 claims abstract 4
- 238000007906 compression Methods 0.000 claims abstract 4
- 125000003003 spiro group Chemical group 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract description 8
- 238000010168 coupling process Methods 0.000 abstract description 8
- 238000005859 coupling reaction Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to a coupler and a flange and rotating shaft mounting structure thereof, wherein the coupler comprises a connecting pressing sheet and a U-shaped buckle, and a connecting part is arranged on the connecting pressing sheet; the connecting pressing piece is provided with a mounting groove and a shaft hole; the U-shaped buckle is positioned in the mounting groove, and a locking gap is formed in the mounting groove; the left side and the right side of the opening end of the U-shaped buckle are respectively provided with a key bulge, the bottom of the U-shaped buckle is provided with a compression part, a first countersunk head fastening screw is screwed in a mounting groove of the connecting pressing piece, a conical surface is formed on the first countersunk head fastening screw, and when the first countersunk head fastening screw is screwed with the connecting pressing piece, the conical surface of the first countersunk head fastening screw is in compression fit with the compression part of the U-shaped buckle and drives the U-shaped buckle to move in a locking gap; the flange and rotating shaft mounting structure comprises a flange and a rotating shaft, wherein the flange and the rotating shaft are connected by a coupler; the shaft coupling and the flange and shaft mounting structure thereof can prevent the shaft coupling from generating axial force to cause the shaft to move in the axial direction.
Description
Technical Field
The invention particularly relates to a coupler and a flange and rotating shaft mounting structure thereof.
Background
At present, for synchronous connection structure between flange and the pivot, it adopts the shaft coupling to connect mostly, adopts to rise to tightly connect between flange and the pivot promptly, and the defect that this kind of mounting means brought is, rises to tightly exert an axial pressure for the pivot easily, causes the pivot to be forced to remove in the axial, and the problem that brings in actual operation is, reduces the response precision that influences the response chip with the distance between the response chip, also can cause wearing and tearing to the response chip simultaneously.
The flange is connected with the rotating shaft in another mode, namely glue coating, so that the problem that the flange is difficult to disassemble exists, and the assembly difficulty is high.
Disclosure of Invention
The invention aims to solve the technical problems that: the defect that axial force can be generated through coupling connection between the flange and the rotating shaft in the past is overcome.
In order to solve the technical problems, the invention provides a coupler, which comprises a connecting pressing sheet and a U-shaped buckle, wherein a connecting part for connecting a flange is arranged on the connecting pressing sheet;
The connecting pressing piece is provided with a mounting groove for placing the U-shaped buckle and a shaft hole for the rotating shaft to pass through;
The U-shaped buckle is positioned in the mounting groove, and a locking gap for radial movement of the U-shaped buckle is formed in the mounting groove;
The left side and the right side of the opening end of the U-shaped buckle form key protrusions for being inserted into a key groove of a rotating shaft respectively, the bottom of the U-shaped buckle forms a pressing part, a first countersunk head fastening screw is connected in a mounting groove of the connecting pressing piece in a threaded mode, a conical surface matched with the pressing part is formed on the first countersunk head fastening screw, and when the first countersunk head fastening screw is connected with the connecting pressing piece in a threaded mode, the conical surface of the first countersunk head fastening screw forms press fit with the pressing part of the U-shaped buckle and drives the U-shaped buckle to move in a locking gap.
Further, the structure of the connecting part is as follows: the lower surface of the connecting pressing piece is provided with a boss matched with the flange, the connecting pressing piece is provided with 4 second countersunk head fastening screws, and the connecting pressing piece is connected with the flange through the second countersunk head fastening screws.
Further, 2 third countersunk head fastening screws are screwed in the mounting groove of the connecting pressing piece, the 2 third countersunk head fastening screws are respectively located at two sides of the opening end of the U-shaped buckle, a conical surface which is used for being in protruding fit with the U-shaped buckle key is formed on the third countersunk head fastening screws, and when the third countersunk head fastening screws are screwed with the connecting pressing piece, the conical surface of the third countersunk head fastening screws is in protruding press fit with the U-shaped buckle key and drives the U-shaped buckle to move in a locking gap.
On the other hand, the invention also provides a flange and rotating shaft mounting structure, which comprises a flange and a rotating shaft, wherein the flange and the rotating shaft are connected by adopting a coupler;
The flange is provided with a step-shaped mounting groove for mounting the coupler, the coupler boss is inserted into the step-shaped mounting groove, and 4 second countersunk head fastening screws penetrate through the connecting pressing sheet and are fixedly connected with the flange in a threaded manner;
A pair of key grooves are formed in the upper end of the rotating shaft, and a pair of key protrusions of the U-shaped buckle are respectively inserted into the pair of key grooves of the rotating shaft;
When the first countersunk head fastening screw and the third countersunk head fastening screw compress the U-shaped buckle, the U-shaped buckle is driven to move in the locking gap, so that the rotating shaft and the connecting pressing piece form locking fit.
The beneficial effects of the invention are as follows:
The invention provides a coupler and a flange and rotating shaft mounting structure thereof, wherein in the connecting structure of the flange and the rotating shaft, axial force cannot be generated, and the rotating shaft cannot be stressed to move in the axial direction; the installation does not need great locking force, has reduced the assembly risk because of the installation brings, has promoted assembly efficiency, has reduced the assembly degree of difficulty.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic illustration of a coupling construction;
FIG. 2 is a top view of the coupling;
FIG. 3 is a front view of a countersunk head set screw;
FIG. 4 is a front view of a U-shaped clasp;
FIG. 5 is a schematic view of a flange and shaft mounting arrangement;
FIG. 6 is an isometric view of a flange;
FIG. 7 is a schematic view of a U-shaped buckle and shaft connection;
The connecting piece comprises a connecting piece, a U-shaped buckle, a key protrusion, a pressing part, a flange, a first countersunk head fastening screw, a second countersunk head fastening screw, a conical surface, a second countersunk head fastening screw, a third countersunk head fastening screw, a rotating shaft and a rotating shaft, wherein the connecting piece is 1, the connecting piece is 2, the U-shaped buckle, the key protrusion, the pressing part is 22, the flange is 3, the first countersunk head fastening screw is 41, the conical surface is 5, the second countersunk head fastening screw is 6, the third countersunk head fastening screw is 7, and the rotating shaft is 7.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
As shown in fig. 1 to 4, a coupling comprises a connecting pressing sheet 1 and a U-shaped buckle 2, wherein the connecting pressing sheet 1 is provided with a mounting groove for placing the U-shaped buckle 2 and a shaft hole for passing through a rotating shaft 7; the U-shaped buckle 2 is positioned in the mounting groove, and a locking gap for radial movement of the U-shaped buckle 2 is formed in the mounting groove; the left and right sides of the opening end of the U-shaped buckle 2 are respectively provided with a key protrusion 21 used for being inserted into a key slot of the rotating shaft 7, the bottom of the U-shaped buckle 2 is provided with a pressing part 22, a first countersunk head fastening screw 4 is connected in a mounting groove of the connecting pressing piece 1 in a screwed mode, a conical surface 41 used for being matched with the pressing part 22 is formed on the first countersunk head fastening screw 4, when the first countersunk head fastening screw 4 is connected with the connecting pressing piece 1 in a screwed mode, the conical surface 41 of the first countersunk head fastening screw 4 is in pressing fit with the pressing part 22 of the U-shaped buckle 2, so that pressing force is applied to the U-shaped buckle 2 and the U-shaped buckle 2 is driven to move in a locking gap, the key protrusion 21 of the U-shaped buckle 2 is in locking fit with the key slot of the rotating shaft 7, and the rotating shaft 7 is fixedly connected with the connecting pressing piece 1.
In order to facilitate the connection of the coupler and the flange, a boss matched with the flange 3 is arranged on the lower surface of the connecting pressing piece 1,4 second countersunk head fastening screws 5 are arranged on the connecting pressing piece 1, and the connecting pressing piece 1 is connected with the flange 3 through the second countersunk head fastening screws 5 through bolts.
In order to better lock the rotating shaft 7 and the connecting pressing sheet 1,2 third countersunk head fastening screws 6 are connected in the mounting groove of the connecting pressing sheet 1 in a threaded manner, the 2 third countersunk head fastening screws 6 are respectively positioned on two sides of the opening end of the U-shaped buckle 2, the third countersunk head fastening screws 6 and the first countersunk head fastening screws 4 are arranged in a triangular manner, conical surfaces 41 for being matched with the key protrusions 21 of the U-shaped buckle 2 are formed on the third countersunk head fastening screws 6, and when the third countersunk head fastening screws 6 are connected with the pressing fit of the key protrusions 21 of the U-shaped buckle 2 in a threaded manner, the conical surfaces 41 of the third countersunk head fastening screws 6 drive the U-shaped buckle 2 to move in a locking gap.
As shown in fig. 5 to 7, a flange and rotating shaft mounting structure comprises a flange 3 and a rotating shaft 7, wherein the flange 3 and the rotating shaft 7 are connected by adopting a coupling; the flange 3 is provided with a step-shaped mounting groove for mounting a coupler, a coupler boss is inserted into the step-shaped mounting groove, and 4 second countersunk head fastening screws 5 penetrate through the connecting pressing sheet 1 and are fixedly connected with the flange 3 in a threaded manner; the upper end of the rotating shaft 7 is provided with a pair of key grooves, and a pair of key protrusions 21 of the U-shaped buckle 2 are respectively inserted into the pair of key grooves of the rotating shaft 7; when the first countersunk head fastening screw 4 and the third countersunk head fastening screw 6 compress the U-shaped buckle 2, the U-shaped buckle 2 is driven to move in the locking clearance, so that the rotating shaft 7 and the connecting pressing piece 1 form locking fit, and further, the clearance between the rotating shaft 7 and the flange 3 in the rotating direction is eliminated.
During operation, the first countersunk head fastening screw 4 and the 2 third countersunk head fastening screws 6 are screwed down, the conical surface 41 of the first countersunk head fastening screw 4 presses the pressing part 22 of the U-shaped buckle 2, the conical surface 41 of the third countersunk head fastening screw 6 is in pressing fit with the key bulge 21 of the U-shaped buckle 2, so that the U-shaped buckle 2 is driven to move in a locking gap, the key bulge 21 of the U-shaped buckle 2 is matched with a key groove of the rotating shaft 7 to lock the rotating shaft 7, and the rotating shaft 7 is fixedly connected with the connecting pressing sheet 1; the boss of the connecting pressing sheet 1 is inserted into the step-shaped mounting groove of the flange 3, the second countersunk head fastening screw 5 is screwed down, and the connecting pressing sheet 1 is fixedly connected with the flange 3 in a screwed manner, so that the rotating shaft and the flange are fixedly connected.
The countersunk fastening screw is an existing mature product and can be purchased directly from the market.
According to the invention, the flange 3 and the rotating shaft 7 are connected by adopting the coupler, the shaft hole on the connecting pressing piece 1 can be processed by a numerical control lathe alone, so that the inner diameter of the shaft hole is accurately matched with the diameter of the rotating shaft 7, the radial gap between the rotating shaft 7 and the flange 3 can be eliminated, then the rotating shaft 7 and the connecting pressing piece 1 are locked by virtue of the movable U-shaped buckle 2, the gap in the rotating direction between the rotating shaft 7 and the connecting pressing piece 1 is further eliminated, and therefore, the rotating shaft 7 and the flange 3 are connected by the coupler, the gap in the two directions is eliminated, the connection strength and the connection precision of the rotating shaft 7 and the flange are improved, in the connection structure of the flange and the rotating shaft, no axial force is generated, the rotating shaft is not forced to move in the axial direction, no large locking force is required for installation, and the assembly risk caused by installation is reduced; meanwhile, the assembly is convenient to detach, the assembly efficiency is improved, and the assembly difficulty is reduced.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (2)
1. The coupler is characterized by comprising a connecting pressing sheet (1) and a U-shaped buckle (2), wherein a connecting part for connecting a flange (3) is arranged on the connecting pressing sheet (1);
The connecting pressing piece (1) is provided with a mounting groove for placing the U-shaped buckle (2) and a shaft hole for passing through the rotating shaft (7);
The U-shaped buckle (2) is positioned in the mounting groove, and a locking gap for radial movement of the U-shaped buckle (2) is formed in the mounting groove;
The left side and the right side of the opening end of the U-shaped buckle (2) are respectively provided with a key protrusion (21) which is used for being inserted into a key slot of the rotating shaft (7), the bottom of the U-shaped buckle (2) is provided with a pressing part (22), a first countersunk head fastening screw (4) is connected in a mounting groove of the connecting pressing piece (1) in a screwed mode, a conical surface (41) which is used for being matched with the pressing part (22) is formed on the first countersunk head fastening screw (4), and when the first countersunk head fastening screw (4) is connected with the connecting pressing piece (1) in a screwed mode, the conical surface (41) of the first countersunk head fastening screw (4) is in pressing fit with the pressing part (22) of the U-shaped buckle (2) and drives the U-shaped buckle (2) to move in a locking gap;
The structure form of the connecting part is as follows: the lower surface of the connecting pressing piece (1) is provided with a boss matched with the flange (3), the connecting pressing piece (1) is provided with 4 second countersunk head fastening screws (5), and the connecting pressing piece (1) is connected with the flange (3) through the second countersunk head fastening screws (5) through bolts;
The utility model discloses a U-shaped buckle, including connecting mounting groove, U-shaped buckle (2) and connecting preforming (1), connect mounting groove internal screw joint 2 third countersunk head fastening screw (6), 2 third countersunk head fastening screw (6) are located U-shaped buckle (2) open end both sides respectively, form on third countersunk head fastening screw (6) be used for with protruding (21) complex conical surface (41) of U-shaped buckle (2) key, when third countersunk head fastening screw (6) spiro union connection preforming (1), conical surface (41) and U-shaped buckle (2) key protruding (21) compression fit of third countersunk head fastening screw (6) to drive U-shaped buckle (2) and remove at the locking clearance.
2. A flange and rotating shaft mounting structure, comprising a flange (3) and a rotating shaft (7), characterized in that the flange (3) and the rotating shaft (7) are connected by adopting the coupler of claim 1;
The flange (3) is provided with a step-shaped mounting groove for mounting the coupler, a boss of the coupler is inserted into the step-shaped mounting groove, and 4 second countersunk head fastening screws (5) penetrate through the connecting pressing sheet (1) and are then fixedly connected with the flange (3) in a threaded manner;
a pair of key grooves are formed in the upper end of the rotating shaft (7), and a pair of key protrusions (21) of the U-shaped buckle (2) are respectively inserted into the pair of key grooves of the rotating shaft (7);
when the first countersunk head fastening screw (4) and the third countersunk head fastening screw (6) compress the U-shaped buckle (2), the U-shaped buckle (2) is driven to move in the locking gap, so that the rotating shaft (7) and the connecting pressing sheet (1) form locking fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060745.1A CN108980221B (en) | 2018-09-12 | 2018-09-12 | Coupler and flange and rotating shaft mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060745.1A CN108980221B (en) | 2018-09-12 | 2018-09-12 | Coupler and flange and rotating shaft mounting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108980221A CN108980221A (en) | 2018-12-11 |
| CN108980221B true CN108980221B (en) | 2024-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811060745.1A Active CN108980221B (en) | 2018-09-12 | 2018-09-12 | Coupler and flange and rotating shaft mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980221B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208816550U (en) * | 2018-09-12 | 2019-05-03 | 遨博（江苏）机器人有限公司 | Shaft coupling and its flange and mounting structure for rotating shaft |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2006824A1 (en) * | 1989-01-09 | 1990-07-09 | Theodore F. Gundlach | Shaft coupling |
| JPH051026U (en) * | 1991-06-22 | 1993-01-08 | 株式会社島津製作所 | Key structure |
| CN202398845U (en) * | 2011-12-29 | 2012-08-29 | 江阴江顺精密机械零部件有限公司 | High-precision tension mandrel for horizontal lathe |
| KR20150006586A (en) * | 2013-07-09 | 2015-01-19 | 정주원 | Connecting structure for pivot on driving means and propeller |
| CN104006238B (en) * | 2014-04-23 | 2016-05-25 | 浙江固的管业有限公司 | Flange |
| CN204784242U (en) * | 2015-05-07 | 2015-11-18 | 河南省华祥起重机械有限公司 | Novel flange -face coupling |
| CN205858981U (en) * | 2016-07-28 | 2017-01-04 | 成都硅特自动化设备有限公司 | Quick-release type shaft coupling |
| CN207064024U (en) * | 2017-07-31 | 2018-03-02 | 中国航发商用航空发动机有限责任公司 | Locking anti-loosening device and aeroengine rotor fastening system |
| CN207377983U (en) * | 2017-08-29 | 2018-05-18 | 合肥恒大江海泵业股份有限公司 | A kind of coupling structure |
| CN207297663U (en) * | 2017-09-12 | 2018-05-01 | 玉环飞特机械制造有限公司 | One kind locking shaft coupling |
| CN107917145A (en) * | 2017-12-14 | 2018-04-17 | 泰州市丰业金属制品有限公司 | A kind of special high leakproofness assembly flange part |
-
2018
- 2018-09-12 CN CN201811060745.1A patent/CN108980221B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208816550U (en) * | 2018-09-12 | 2019-05-03 | 遨博（江苏）机器人有限公司 | Shaft coupling and its flange and mounting structure for rotating shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108980221A (en) | 2018-12-11 |
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